| # Copyright (c) 2021 Huawei International |
| # All rights reserved. |
| # |
| # The license below extends only to copyright in the software and shall |
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| # to a hardware implementation of the functionality of the software |
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| # terms below provided that you ensure that this notice is replicated |
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| # modified or unmodified, in source code or in binary form. |
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| # notice, this list of conditions and the following disclaimer in the |
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| # neither the name of the copyright holders nor the names of its |
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| # this software without specific prior written permission. |
| # |
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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| |
| from m5.objects.Device import BasicPioDevice |
| from m5.params import * |
| from m5.proxy import * |
| from m5.util.fdthelper import * |
| |
| class PlicIntDevice(BasicPioDevice): |
| type = 'PlicIntDevice' |
| cxx_header = 'dev/riscv/plic_device.hh' |
| cxx_class = 'gem5::PlicIntDevice' |
| abstract = True |
| |
| platform = Param.Platform(Parent.any, "Platform") |
| pio_size = Param.Addr("PIO Size") |
| interrupt_id = Param.Int("PLIC Interrupt ID") |
| |
| def generatePlicDeviceNode(self, state, name): |
| node = self.generateBasicPioDeviceNode(state, name, |
| self.pio_addr, self.pio_size) |
| |
| plic = self.platform.unproxy(self).plic |
| |
| node.append(FdtPropertyWords("interrupts", [self.interrupt_id])) |
| node.append(FdtPropertyWords("interrupt-parent", state.phandle(plic))) |
| return node |